https://github.com/torvalds/linux
Revision ec669ef2e2cf277f3e73d842bb3bda1c3ea2ea73 authored by Nicholas Kazlauskas on 08 September 2022, 18:17:01 UTC, committed by Alex Deucher on 27 September 2022, 21:56:29 UTC
[Why]
The DIO FIFO will underflow if we turn off the OTG before we turn
off the FIFO.

Since this happens as part of the OTG workaround and we don't reset
the FIFO afterwards we see the error persist.

[How]
Add disable FIFO before the disable CRTC and enable FIFO after enabling
the CRTC.

Reviewed-by: Syed Hassan <Syed.Hassan@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 parent dd37fba
History
Tip revision: ec669ef2e2cf277f3e73d842bb3bda1c3ea2ea73 authored by Nicholas Kazlauskas on 08 September 2022, 18:17:01 UTC
drm/amd/display: Wrap OTG disable workaround with FIFO control
Tip revision: ec669ef
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.clang-format -rw-r--r-- 19.9 KB
.cocciconfig -rw-r--r-- 59 bytes
.get_maintainer.ignore -rw-r--r-- 151 bytes
.gitattributes -rw-r--r-- 62 bytes
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.mailmap -rw-r--r-- 23.7 KB
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CREDITS -rw-r--r-- 99.1 KB
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